Adalo vs Retool

Adalo is a US-based no-code platform for building native mobile apps and web apps with a drag-and-drop editor. It targets non-technical founders, small businesses and community organizers who want a real app in the App Store and Google Play without hiring developers. Screens are assembled from components such as lists, forms, buttons and maps, and actions link them to a built-in relational database.

Data can live in Adalo's own database or in external collections connected through Airtable, Xano or any REST API, which lets teams move heavier logic to a proper backend later. A component marketplace adds payments, charts and other blocks, and custom actions call outside services. The free plan allows unlimited test apps; paid plans (Starter, Professional and Team) are priced mainly by the number of published apps, with custom actions and collaboration reserved for higher tiers.

Adalo fits simple booking, directory, loyalty and community apps, and MVPs meant to validate an idea quickly. It struggles when lists grow large, when logic gets complex or when performance becomes critical. FlutterFlow generates Flutter code you can export and suits more ambitious mobile projects, Bubble is stronger for complex web apps, and Glide is faster for internal apps built on spreadsheets.

Retool is the leading platform for building internal tools, founded in 2017 in San Francisco by David Hsu and backed by Y Combinator. Developers drag components such as tables, forms, charts and modals onto a canvas, connect them to databases and APIs with SQL and JavaScript, and ship admin panels, dashboards and operations consoles in hours instead of weeks.

The product has grown beyond app building. Retool Workflows runs scheduled and event-driven automations, Retool Mobile builds native internal apps for field and warehouse staff, Retool Database provides a hosted Postgres, and AI components and Retool Agents bring LLMs into tools and processes. Connectors cover Postgres, MySQL, Snowflake, BigQuery, MongoDB, REST, GraphQL, Stripe, Salesforce and many more. The free plan supports up to five users. Paid plans distinguish standard users who build from end users who only use apps, which keeps costs reasonable for broad internal audiences, self-hosting is available on every plan, and Enterprise adds SSO, SCIM and Git source control.

Retool fits engineering and operations teams at startups and enterprises that need many internal tools quickly. Per-user costs add up for large organizations, very complex apps hit the limits of the model, and real logic still requires SQL and JavaScript skills. Appsmith, Budibase and ToolJet are open-source alternatives that can be self-hosted cheaply, while Glide and Softr suit non-technical builders. Retool wins on polish, component depth and ecosystem.